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| Patents for Frank Diehl | |||||
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| Number | Date | Patentee | Title | Type | |
| 645,554 | Mar. 20, 1900 | F. Diehl | Planer attachment | wood planers | |
| 816,079 | Mar. 27, 1906 | F. Diehl | Glue-joint saw | circular saws | |
| 1,512,279 | Oct. 21, 1924 | F. Diehl | Means for producing relative movement between members | veneer machines | |